package com.sunsheng.modules.juc;

import java.util.concurrent.CountDownLatch;

public class CountDownLatchDemo {
    public static void main(String[] args) throws InterruptedException {
        CountDownLatch countDownLatch = new CountDownLatch(6);
        for (int i = 0; i <= 6; i++) {
            new Thread(() -> {
                System.out.println(Thread.currentThread().getName() + "执行");
                countDownLatch.countDown();
            }, i + "").start();
        }
        countDownLatch.await();
        System.out.println("全部执行完成");
    }
}